The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-802-2041, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Service & Sales Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-802-2041 |
| Primary Part Number | 373626-1 |
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Service & Sales Inc |
| Status | ACTIVE |
| Outside Diameter | 1.150 INCHES MINIMUM AND 1.170 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 373626-1 | Service & Sales Inc (USA) |
| Reference | Meaning |
|---|---|
| 373626-1 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| 373626-1 | C/1 Advisory reference — outside the item-of-supply concept Honeywell International Inc. Div Aerospace - Torrance |
| 373626-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-802-2041 is a Diaphragm,valve,flat, manufactured by Service & Sales Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-802-2041 has 1 manufacturer part number on file: 373626-1 (Service & Sales Inc).
Key specifications for 373626-1: Outside Diameter: 1.150 INCHES MINIMUM AND 1.170 INCHES MAXIMUM IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.